Double bag



FIG. 1 is a perspective view of a double bag showing our new design;

FIG. 2 is a top view, the bottom view being a mirror image thereof;

FIG. 3 is a side view, the opposite side view being a mirror image thereof;

FIG. 4 is an end view thereof;

FIG. 5 is an opposite end view thereof; and,

FIG. 6 is another perspective view thereof, showing the double bag in use.

The broken lines shown in FIG. 6 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a double bag, as shown and described. 